Features: WiFi communication interface device between two serial devices. Wifi module for wireless connection via Modbus RTU, Laumas ASCII protocol RS232 and RS485 ports (Modbus RTU/Laumas ASCII protocol) Connectable to others MODWF devices devices and W series Laumas instruments with OPZW1RADIO optional Wall mounting A/D converter – 24bit (16000000 points) 4.8 kHz Display range 999999 Optional features: IP67 box version Rechargeable internal/external battery